Trebor Q-Series Di Water Heater - Manual (Page 28)

PAGE 28 Q-SERIES DI HEATER OPERATION / MAINTENANCE MANUAL
8.1.f Overpressure Relief Fitting Replacement
Turn power off to system (see Section 2.3 for Lockout/Tagout
procedures).
Drain system (see Section 8.1.d, Draining the System).
Remove and replace overpressure relief fitting (note orientation of
fitting).
Refill system.
Inspect for leaks.
Figure 8-2
8.2 PREVENTIVE MAINTENANCE SCHEDULE
Init
ial
S
tart
Week
ly
6 M
on
ths
Items V
isu
all
y
Ins
pe
ct
Tighten
X X Process Control / Heater Element Status X
X X Plumbing Leaks X
X X Overpressure Relief Drain & Diaphragm X
X X General Electronics X
X X
Solid State Relays (SSR’s)
X
X X Main Circuit Breaker X
X X Distribution Breakers & Contactors X
X X Branch Circuit Breakers X
See following table for details on each item.